Cartridge.



UNITED STATES PATENT OEEICE.

' GUSTAV` MLLER, OF DUSSELDRF, GERMANY, ASSIGNOR TO FIRM y RHEINISCHEMETALLWAAREN-AUND MASCHINENFABRIK, OF DUS- SELDORF-DERENDORF, PRUSSIA,GERMANY.

QARTRIDGE.

sPnoIFIcATIoN forming part o f Letters Patent 110.705,949, dated July29, 1909; Application filed February Z5, 1901. Serial No. i'18,70% (Nomodel.)

To a/ZZ whom it may concern:

Be it known that I, GUSTAV MLLER, manager, a subject of the King ofPrussia, German Emperor, residing at Dusseldorf, King 5 dom of Prussia,German Empire, have invented certain new and useful Improvements inCartridge-Caps; and I do hereby declare the following to be a full,clear, and exact description of the invention,such as will enable othersIo skilled in the art to which it appertains tol make and use the same.

This invention relates to cartridges used in guns; and it consists of acap for the cartridge provided with a spring portion for the prot 5jectile to bear against.

In the drawlngs, Figure 1 is a transverse section of the 'cap' or coverof a cartridge constrneted according to the resent invention. Fig. 2 isa plan thereof. ig. 3 is a similar view to Fig.1,illustrating amodification. Fig. 4. is a plan thereof. Fig. 5-is a sectional elevationof a cartridge-case having an elongated cap according to the presentinvention,

and Fig. 6 is a plan thereof.

.e 5 The cartridge case or shell'al is of any ap.-

slight variatie In the caps shown in Figs.` 3 to 6, inclusive, 35 thespring portion consists of one or more corrugations a3, formed in theend of the cap and which yield in the same In anner as thespringtongues. l

When .the projectile is driven into the gun,

it bears against the spring end portion of the cap. The height of.A thecap is Vmade so thatv the projectile takes a'prearranged position in thegun with respect to the firing charge, and the spring portion or endcompensates for s inthe length of the cartridges and'prevents theprojectile from im jur-ing the cap.

1. A metallic cap for a cartridge provided 5o With a yieldable springend portion for the projectile to bear against, substantially as setforth.

2. The combination, with a cartridge-shell, of a. metallic cap closingthe front end of the 55 shell and provided with a yieldable spring endportion', substantially as set forth.

. 3. A cap for a cartridge provided with spring-tongues struckv up fromthe metal of its end portion, substantially as set-forth. 60

In testimony whereof I aiiix my signature in presence of two witnesses.

eUsTAv MLLER..

Witnesses! WILLIAM EssENWEIN, PETER LIEBER.

